Resource Type

Degree Department

32 Matching Results

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Draft-Equalizer. (open access)

Draft-Equalizer.

Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: February 20, 1918
Creator: Dudley, Thomas J. & Bryant, Marvin H.
System: The Portal to Texas History
Water-Gage. (open access)

Water-Gage.

Patent for a water-gage measuring the height or volume of water in a steam boiler, particularly those "held closed by the weight of the operating handle" (lines 11-12). The device is designed for simple manufacture and easy assembly & disassembly without tools, and features a valve seat that stays in place, illustrations included.
Date: December 30, 1919
Creator: Leidecker, Helmoth M.
System: The Portal to Texas History
Linting Machine. (open access)

Linting Machine.

Patent for a linting machine (Carver type) that contains an air pocket at the end of the passage to prevent cotton from clogging the machine.
Date: August 10, 1920
Creator: Woodrow, George N. & Bruce, Thomas D.
System: The Portal to Texas History
Method of Sealing The Walls of Oil-Wells (open access)

Method of Sealing The Walls of Oil-Wells

Patent for a method of sealing oil wells to avoid applying casing to the wells to prevent leakage, seepage, or cave-ins.
Date: December 7, 1920
Creator: Nolan, William E.
System: The Portal to Texas History
Cycle-Car (open access)

Cycle-Car

Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date: November 29, 1921
Creator: {Payne, Luther M.}; {Miller, Lee A.} & {Douglas, John J.}
System: The Portal to Texas History
Method of Sealing the Walls of Deep Wells (open access)

Method of Sealing the Walls of Deep Wells

Patent for a new and useful method of dealing the walls of deep wells in which the means for lining oil wells by the use of the customary metal casing is avoided, the cost is very materially reduced, and numerous expenses and failures are avoided.
Date: November 29, 1921
Creator: Nolan, William E.
System: The Portal to Texas History
Spring. (open access)

Spring.

Patent for an improvement in springs. "Designed particularly for use upon carriages, wagons, and motor or other cars and more particularly to the type os springs known as elliptic or semi-elliptic" (lines 10-14).
Date: August 6, 1908
Creator: Snow, Arthur Leland
System: The Portal to Texas History
Plant Fatty Acid Amide Hydrolases (open access)

Plant Fatty Acid Amide Hydrolases

Patent relating to plant fatty acid amide hydrolases (FAAH) coding sequences.
Date: January 8, 2008
Creator: Chapman, Kent D.; Shrestha, Rhidaya; Blancaflor, Elison B. & Dixon, R. A.
System: The UNT Digital Library